package pyf.demo4;

/**
 * 模拟龟兔赛跑
 */
public class Race implements Runnable{

    private static String winner;
    @Override
    public void run() {
        for (int i = 0; i <= 100; i++) {
            if("兔子".equals(Thread.currentThread().getName())){
                try {
                    Thread.sleep(1);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            if (gameOver(i)){
                break;
            }
            System.out.println(Thread.currentThread().getName() + "跑了" + i + "步");
        }
    }

    private Boolean gameOver(Integer steps){
        if(null!=winner){
            //比赛结束
            return true;
        }else {
            if(steps>=100){
                winner=Thread.currentThread().getName();
                System.out.println("比赛结束,获胜者:"+winner);
            }
        }
        return false;
    }
    public static void main(String[] args) {

        Race race=new Race();
        new Thread(race,"兔子").start();
        new Thread(race,"乌龟").start();
    }
}
